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发明名称
INDENTATION TYPE HARDNESS METER
摘要
申请公布号
JPH01312441(A)
申请公布日期
1989.12.18
申请号
JP19880143341
申请日期
1988.06.10
申请人
NIPPON STEEL CORP
发明人
SUGIMOTO TAKAO;TOUKEN YOUICHI;YAMAGUCHI AKIOMI
分类号
G01N3/40;G01N3/42
主分类号
G01N3/40
代理机构
代理人
主权项
地址
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